For High Quality 3 inch speaker unit, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our High Quality 3 inch speaker unit has been well received by many customers and enjoyed a good reputation in many countries. HONGCHANG(CHANGZHOU) ELECTRONIC CO.,LTD High Quality 3 inch speaker unit have characteristic design & practical performance & competitive price, for more information on the High Quality 3 inch speaker unit, please feel free to contact us.